des generator

Package COM. lasun. util; import Java. io. fileinputstream; import Java. io. fileoutputstream; import Java. io. inputstream; import Java. io. outputstream; import Java. security. key; import Java. security. securerandom; import javax. crypto. cipher;

Simplest DES encryption algorithm implementation, des encryption algorithm Base64.java Package com. mstf. des; import java. io. unsupportedEncodingException;/*** base64 encoding/decoding * @ author ceet **/public class Base64 {public static String

Package COM. jadyer. util. codec; import Java. security. key; import Java. security. nosuchalgorithmexception; import javax. crypto. cipher; import javax. crypto. keygenerator; import javax. crypto. secretkey; import javax. crypto. secretkeyfactory;

DES encryption algorithmdes, known as the data encryption Standard, is an encryption standard, a block algorithm using key cryptography, which was identified by the U.S. federal government's national standards office as a federal data Processing

/* Des Java Complied OK with eclipse Create a desencrypt class, copy the following code, and compile it. */Import java. Security. Key;Import java. Security. securerandom;Import javax. crypto. cipher;Import javax. crypto. keygenerator; Import sun.

One, des encryption and decryption Package com.itjh.javaUtil; Import java.io.UnsupportedEncodingException; Import java.security.InvalidKeyException; Import java.security.NoSuchAlgorithmException; Import Java.security.SecureRandom; Import

The development project needs to cache important data locally so that it is read offline, and if the data is not processed, it can easily cause loss. Therefore, we generally encrypt this kind of data. Here, we mainly introduce two kinds of simple

Source author Wang HuiChapter 4 Basic Knowledge 1.1. Single-key password systemThe single-key cryptography system is a traditional encryption algorithm, which means that the sender and receiver of the information use the same key for encryption and

The title, for reference. Import java.io.UnsupportedEncodingException; Import java.security.InvalidKeyException; Import java.security.NoSuchAlgorithmException; Import Java.security.SecureRandom; Import

I. List of data encryption/coding algorithms   common cryptographic or coding algorithms used to ensure security are as follows:  1, common key algorithm   key algorithm is used to encrypt sensitive data, digest, signature and other information,